Constant,Coefficient,Variables

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. For example, in the expression 5x + 3, the number 3 is a constant.

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol (often a letter) that represents an unknown value. For example, in the expression 2x + 5, 'x' is a variable.

Front

What is a coefficient?

Back

A coefficient is a numerical factor that multiplies a variable. For example, in the term 7x, 7 is the coefficient.

Front

Identify the coefficient of x in the expression: 8 + 5x - y

Back

5

Front

How many terms are in the expression: 3x + 2y + z?

Back

3

Front

What is the coefficient in the expression: -4 - 9y?

Back

-9

Front

What is the constant in the expression: -4 - 9y?

Back

-4

Front

What is the coefficient of x in the expression: 9 - x?

Back

-1

Front

What is the difference between a constant and a variable?

Back

A constant is a fixed value, while a variable can change and represent different values.

Front

How do you identify the number of terms in an expression?

Back

Count the number of distinct parts separated by '+' or '-' signs. For example, in 4x + 3 - 2y, there are 3 terms.